Week 2

QUESTION 1

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+// This is the outer class named School
+class School { 
+    // This is the inner class named Student
+    class Student { 
+		// This is a method in inner class Student
+        public void print() { 
+			System.out.println("Hi! I am inner class STUDENT of outer class SCHOOL."); 
+
+        } 
+    } 
+} 
+
+public class Question211{ 
+    public static void main(String[] args) { 
+	// Create an object of inner class Student
+	School.Student s1= new School().new Student();
+	// Access the 'print()' method of the inner class Student using the inner class object
+	s1.print();
+     } 
+}

QUESTION 2

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+// This is the class named School
+class School { 
+    // This is a method in class School
+    public void print() { 
+		System.out.println("Hi! I class SCHOOL."); 
+    } 
+} 
+// This is the class named Student
+class Student { 
+	// This is a method in class Student
+    public void print() { 
+		System.out.println("Hi! I am class STUDENT"); 
+    } 
+}
+
+public class Question212{ 
+    public static void main(String[] args) { 
+// Create an object of class Student
+Student stu = new Student();
+// Call 'print()' method of class Student 
+stu.print();
+// Create an object of class School
+School sch = new School();
+// Call 'print()' method of class School
+sch.print();
+
+     } 
+}

QUESTION 3

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+// This is the main class Question
+public class Question213{ 
+    public static void main(String[] args) { 
+		// Object of the main class is created
+		Question213 q = new Question213();
+		// Print method on object of Question class is called
+		q.studentMethod();
+    }
+
+	// 'print()' method is defined in class Question
+	void print(Question213 object){
+		System.out.print("Well Done!");
+	}
+	// Define a method named 'studentMethod()' in class Question
+	void studentMethod(){
+	// Call the method named 'print()' in class Question
+		Question213 q = new Question213();
+		q.print(q);
+	}
+}

QUESTION 4

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+// This is the main class Question
+public class Question214{
+	public static void main(String[] args){
+		Answer a = new Answer(10,"MCQ");
+	}
+} 
+class Answer{
+	Answer(){
+		System.out.println("You got nothing.");
+	}
+	Answer(int marks, String type){
+		this();
+		System.out.println("You got "+marks+" for an "+ type);
+	}
+} 

QUESTION 5

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+public class Question215{ 
+    public static void main(String[] args) { 
+	//Declare variable with name 'nptel', 'space' and 'java' and proper datatype.
+	String nptel,space,java;
+	//Initialize the variables with proper input
+	nptel="NPTEL";
+	space=" ";
+	java="JAVA";
+     	System.out.print(nptel+space+java);
+   }
+}

README.md

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-# SWAYAM-Programming_In_Java-NPTEL
+# SWAYAM-Programming_In_Java-NPTEL
+# WEEK 2
+Java Week 2:Q1 To call the method print() in class Student following the concept of inner class.
+
+Java Week 2:Q2 To call the method print() of class Student first and then call print() method of class School.
+
+Java Week 2:Q3 To call print() method of class Question by creating a method named ‘studentMethod()’.
+
+Java Week 2:Q4 To call default constructor first and then any other constructor in the class Answer.
+
+Java Week 2:Q5 To debug the program which is intended to print 'NPTEL JAVA'.